<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>五角星</title>
    <style>
    
        .star {
            width: 0;
            height: 0;
            position: absolute;
            border-left: 50px solid transparent;
            border-right: 50px solid transparent;
            border-bottom: 100px solid gold; /* 三角形的颜色 */
        }

    
    </style>
</head>
<body>
    <div class="star-container">
        <div class="star star1"></div>
        <div class="star star2"></div>
        <div class="star star3"></div>
    </div>
</body>
</html>
